mirror of
https://github.com/fuse-friends/fuse-native
synced 2024-10-27 18:34:01 +00:00
723 lines
17 KiB
JavaScript
723 lines
17 KiB
JavaScript
const os = require('os')
|
|
const fs = require('fs')
|
|
const path = require('path')
|
|
const { exec } = require('child_process')
|
|
|
|
const Nanoresource = require('nanoresource')
|
|
const { beforeMount, beforeUnmount, configure, unconfigure, isConfigured } = require('fuse-shared-library')
|
|
|
|
const binding = require('node-gyp-build')(__dirname)
|
|
|
|
const IS_OSX = os.platform() === 'darwin'
|
|
const OSX_FOLDER_ICON = '/System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/GenericFolderIcon.icns'
|
|
const HAS_FOLDER_ICON = IS_OSX && fs.existsSync(OSX_FOLDER_ICON)
|
|
|
|
const OpcodesAndDefaults = new Map([
|
|
['init', {
|
|
op: binding.op_init
|
|
}],
|
|
['error', {
|
|
op: binding.op_error
|
|
}],
|
|
['access', {
|
|
op: binding.op_access,
|
|
defaults: [0]
|
|
}],
|
|
['statfs', {
|
|
op: binding.op_statfs,
|
|
defaults: [getStatfsArray()]
|
|
}],
|
|
['fgetattr', {
|
|
op: binding.op_fgetattr,
|
|
defaults: [getStatArray()]
|
|
}],
|
|
['getattr', {
|
|
op: binding.op_getattr,
|
|
defaults: [getStatArray()]
|
|
}],
|
|
['flush', {
|
|
op: binding.op_flush
|
|
}],
|
|
['fsync', {
|
|
op: binding.op_fsync
|
|
}],
|
|
['fsyncdir', {
|
|
op: binding.op_fsyncdir
|
|
}],
|
|
['readdir', {
|
|
op: binding.op_readdir,
|
|
defaults: [[], []]
|
|
}],
|
|
['truncate', {
|
|
op: binding.op_truncate
|
|
}],
|
|
['ftruncate', {
|
|
op: binding.op_ftruncate
|
|
}],
|
|
['utimens', {
|
|
op: binding.op_utimens
|
|
}],
|
|
['readlink', {
|
|
op: binding.op_readlink,
|
|
defaults: ['']
|
|
}],
|
|
['chown', {
|
|
op: binding.op_chown
|
|
}],
|
|
['chmod', {
|
|
op: binding.op_chmod
|
|
}],
|
|
['mknod', {
|
|
op: binding.op_mknod
|
|
}],
|
|
['setxattr', {
|
|
op: binding.op_setxattr
|
|
}],
|
|
['getxattr', {
|
|
op: binding.op_getxattr
|
|
}],
|
|
['listxattr', {
|
|
op: binding.op_listxattr
|
|
}],
|
|
['removexattr', {
|
|
op: binding.op_removexattr
|
|
}],
|
|
['open', {
|
|
op: binding.op_open,
|
|
defaults: [0]
|
|
}],
|
|
['opendir', {
|
|
op: binding.op_opendir,
|
|
defaults: [0]
|
|
}],
|
|
['read', {
|
|
op: binding.op_read,
|
|
defaults: [0]
|
|
}],
|
|
['write', {
|
|
op: binding.op_write,
|
|
defaults: [0]
|
|
}],
|
|
['release', {
|
|
op: binding.op_release
|
|
}],
|
|
['releasedir', {
|
|
op: binding.op_releasedir
|
|
}],
|
|
['create', {
|
|
op: binding.op_create,
|
|
defaults: [0]
|
|
}],
|
|
['unlink', {
|
|
op: binding.op_unlink
|
|
}],
|
|
['rename', {
|
|
op: binding.op_rename
|
|
}],
|
|
['link', {
|
|
op: binding.op_link
|
|
}],
|
|
['symlink', {
|
|
op: binding.op_symlink
|
|
}],
|
|
['mkdir', {
|
|
op: binding.op_mkdir
|
|
}],
|
|
['rmdir', {
|
|
op: binding.op_rmdir
|
|
}],
|
|
['destroy', {
|
|
op: binding.op_destroy
|
|
}]
|
|
])
|
|
|
|
class Fuse extends Nanoresource {
|
|
constructor (mnt, ops, opts = {}) {
|
|
super()
|
|
this.opts = opts
|
|
this.mnt = path.resolve(mnt)
|
|
|
|
this.ops = ops
|
|
this._thread = null
|
|
this._handlers = this._makeHandlerArray()
|
|
this._closed = false
|
|
|
|
const implemented = [binding.op_init, binding.op_error, binding.op_getattr]
|
|
if (ops) {
|
|
for (const [name, { op }] of OpcodesAndDefaults) {
|
|
if (ops[name]) implemented.push(op)
|
|
}
|
|
}
|
|
this._implemented = new Set(implemented)
|
|
|
|
// Used to determine if the user-defined callback needs to be nextTick'd.
|
|
this._sync = true
|
|
}
|
|
|
|
_getImplementedArray () {
|
|
const implemented = new Uint32Array(35)
|
|
for (const impl of this._implemented) {
|
|
implemented[impl] = 1
|
|
}
|
|
return implemented
|
|
}
|
|
|
|
_fuseOptions () {
|
|
const options = []
|
|
|
|
if ((/\*|(^,)fuse-bindings(,$)/.test(process.env.DEBUG)) || this.opts.debug) options.push('debug')
|
|
if (this.opts.allowOther) options.push('allow_other')
|
|
if (this.opts.allowRoot) options.push('allow_root')
|
|
if (this.opts.autoUnmount) options.push('auto_unmount')
|
|
if (this.opts.defaultPermissions) options.push('default_permissions')
|
|
if (this.opts.blkdev) options.push('blkdev')
|
|
if (this.opts.blksize) options.push('blksize=' + this.opts.blksize)
|
|
if (this.opts.maxRead) options.push('max_read=' + this.opts.maxRead)
|
|
if (this.opts.fd) options.push('fd=' + this.opts.fd)
|
|
if (this.opts.userId) options.push('user_id=', this.opts.userId)
|
|
if (this.opts.fsname) options.push('fsname=' + this.opts.fsname)
|
|
if (this.opts.subtype) options.push('subtype=' + this.opts.subtype)
|
|
if (this.opts.kernelCache) options.push('kernel_cache')
|
|
if (this.opts.autoCache) options.push('auto_cache')
|
|
if (this.opts.umask) options.push('umask=' + this.opts.umask)
|
|
if (this.opts.uid) options.push('uid=' + this.opts.uid)
|
|
if (this.opts.gid) options.push('gid=' + this.opts.gid)
|
|
if (this.opts.entryTimeout) options.push('entry_timeout=' + this.opts.entryTimeout)
|
|
if (this.opts.attrTimeout) options.push('attr_timeout=' + this.opts.attrTimeout)
|
|
if (this.opts.acAttrTimeout) options.push('ac_attr_timeout=' + this.opts.acAttrTimeout)
|
|
if (this.opts.noforget) options.push('noforget')
|
|
if (this.opts.remember) options.push('remember=' + this.opts.remember)
|
|
if (this.opts.modules) options.push('modules=' + this.opts.modules)
|
|
|
|
if (this.opts.displayFolder && IS_OSX) { // only works on osx
|
|
options.push('volname=' + path.basename(this.mnt))
|
|
if (HAS_FOLDER_ICON) options.push('volicon=' + OSX_FOLDER_ICON)
|
|
}
|
|
|
|
return options.map(o => '-o' + o).join(' ')
|
|
}
|
|
|
|
_makeHandlerArray () {
|
|
const self = this
|
|
const handlers = new Array(OpcodesAndDefaults.size)
|
|
|
|
for (const [name, { op, defaults }] of OpcodesAndDefaults) {
|
|
const nativeSignal = binding[`fuse_native_signal_${name}`]
|
|
if (!nativeSignal) continue
|
|
|
|
handlers[op] = makeHandler(name, op, defaults, nativeSignal)
|
|
}
|
|
|
|
return handlers
|
|
|
|
function makeHandler (name, op, defaults, nativeSignal) {
|
|
return function () {
|
|
const boundSignal = signal.bind(null, arguments[0])
|
|
const funcName = `_op_${name}`
|
|
if (!self[funcName] || !self._implemented.has(op)) return boundSignal(-1, ...defaults)
|
|
return self[funcName].apply(self, [boundSignal, ...[...arguments].slice(2)])
|
|
}
|
|
|
|
function signal (nativeHandler, err, ...args) {
|
|
var arr = [nativeHandler, err, ...args]
|
|
if (defaults && (!args || !args.length)) arr = arr.concat(defaults)
|
|
return process.nextTick(nativeSignal, ...arr)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Lifecycle methods
|
|
|
|
_open (cb) {
|
|
if (this._closed) return process.nextTick(cb, new Error('Cannot reopen a closed FUSE instance.'))
|
|
|
|
this._thread = Buffer.alloc(binding.sizeof_fuse_thread_t)
|
|
this._openCallback = cb
|
|
|
|
const opts = this._fuseOptions()
|
|
const implemented = this._getImplementedArray()
|
|
|
|
return fs.stat(this.mnt, (err, stat) => {
|
|
if (err) return cb(new Error('Mountpoint does not exist'))
|
|
if (!stat.isDirectory()) return cb(new Error('Mountpoint is not a directory'))
|
|
return fs.stat(path.join(this.mnt, '..'), (_, parent) => {
|
|
if (parent && parent.dev !== stat.dev) return cb(new Error('Mountpoint in use'))
|
|
try {
|
|
// TODO: asyncify
|
|
binding.fuse_native_mount(this.mnt, opts, this._thread, this, this._handlers, implemented)
|
|
} catch (err) {
|
|
return cb(err)
|
|
}
|
|
})
|
|
})
|
|
}
|
|
|
|
_close (cb) {
|
|
if (this._closed) return process.nextTick(cb, null)
|
|
const self = this
|
|
const mnt = JSON.stringify(this.mnt)
|
|
const cmd = IS_OSX ? `diskutil umount ${mnt}` : `fusermount -uz ${mnt}`
|
|
|
|
exec(cmd, (err, stdout, stderr) => {
|
|
if (err) return cb(err)
|
|
nativeUnmount()
|
|
})
|
|
|
|
function nativeUnmount () {
|
|
try {
|
|
binding.fuse_native_unmount(self.mnt, self._thread)
|
|
} catch (err) {
|
|
return cb(err)
|
|
}
|
|
self._closed = true
|
|
return cb(null)
|
|
}
|
|
}
|
|
|
|
// Handlers
|
|
|
|
_op_init (signal) {
|
|
if (this._openCallback) {
|
|
process.nextTick(this._openCallback, null)
|
|
this._openCallback = null
|
|
}
|
|
if (!this.ops.init) {
|
|
signal(0)
|
|
return
|
|
}
|
|
this.ops.init(err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_error (signal) {
|
|
if (!this.ops.error) {
|
|
signal(0)
|
|
return
|
|
}
|
|
this.ops.error(err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_statfs (signal) {
|
|
this.ops.statfs((err, statfs) => {
|
|
if (err) return signal(err)
|
|
const arr = getStatfsArray(statfs)
|
|
return signal(null, [arr])
|
|
})
|
|
}
|
|
|
|
_op_getattr (signal, path) {
|
|
if (!this.ops.getattr) {
|
|
if (path !== '/') {
|
|
signal(Fuse.EPERM)
|
|
} else {
|
|
signal(0, getStatArray({ mtime: new Date(0), atime: new Date(0), ctime: new Date(0), mode: 16877, size: 4096 }))
|
|
}
|
|
return
|
|
}
|
|
this.ops.getattr(path, (err, stat) => {
|
|
if (err) return signal(err, getStatArray())
|
|
return signal(0, getStatArray(stat))
|
|
})
|
|
}
|
|
|
|
_op_fgetattr (signal, path, fd) {
|
|
if (!this.ops.fgetattr) {
|
|
if (path !== '/') {
|
|
signal(Fuse.EPERM)
|
|
} else {
|
|
signal(0, getStatArray({ mtime: new Date(0), atime: new Date(0), ctime: new Date(0), mode: 16877, size: 4096 }))
|
|
}
|
|
return
|
|
}
|
|
this.ops.getattr(path, (err, stat) => {
|
|
if (err) return signal(err)
|
|
return signal(0, getStatArray(stat))
|
|
})
|
|
}
|
|
|
|
_op_access (signal, path, mode) {
|
|
this.ops.access(path, mode, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_open (signal, path, flags) {
|
|
this.ops.open(path, flags, (err, fd) => {
|
|
return signal(err, fd)
|
|
})
|
|
}
|
|
|
|
_op_opendir (signal, path, flags) {
|
|
this.ops.opendir(path, flags, (err, fd) => {
|
|
return signal(err, fd)
|
|
})
|
|
}
|
|
|
|
_op_create (signal, path, mode) {
|
|
this.ops.create(path, mode, (err, fd) => {
|
|
return signal(err, fd)
|
|
})
|
|
}
|
|
|
|
_op_utimens (signal, path, atim, mtim) {
|
|
atim = getDoubleInt(atim, 0)
|
|
mtim = getDoubleInt(mtim, 0)
|
|
this.ops.utimens(path, atim, mtim, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_release (signal, path, fd) {
|
|
this.ops.release(path, fd, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_releasedir (signal, path, fd) {
|
|
this.ops.releasedir(path, fd, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_read (signal, path, fd, buf, len, offset) {
|
|
this.ops.read(path, fd, buf, len, offset, (err, bytesRead) => {
|
|
return signal(err, bytesRead)
|
|
})
|
|
}
|
|
|
|
_op_write (signal, path, fd, buf, len, offset) {
|
|
this.ops.write(path, fd, buf, len, offset, (err, bytesWritten) => {
|
|
return signal(err, bytesWritten)
|
|
})
|
|
}
|
|
|
|
_op_readdir (signal, path) {
|
|
this.ops.readdir(path, (err, names, stats) => {
|
|
if (err) return signal(err)
|
|
if (stats) stats = stats.map(getStatArray)
|
|
return signal(0, names, stats || [])
|
|
})
|
|
}
|
|
|
|
_op_setxattr (signal, path, name, value, size, position, flags) {
|
|
this.ops.setxattr(path, name, value, size, position, flags, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_getxattr (signal, path, name, value, size, position) {
|
|
this.ops.getxattr(path, name, value, size, position, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_listxattr (signal, path, list, size) {
|
|
this.ops.listxattr(path, list, size, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_removexattr (signal, path, name) {
|
|
this.ops.removexattr(path, name, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_flush (signal, path, datasync, fd) {
|
|
this.ops.flush(path, datasync, fd, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_fsync (signal, path, datasync, fd) {
|
|
this.ops.fsync(path, datasync, fd, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_fsyncdir (signal, path, datasync, fd) {
|
|
this.ops.fsyncdir(path, datasync, fd, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_truncate (signal, path, size) {
|
|
this.ops.truncate(path, size, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_ftruncate (signal, path, size, fd) {
|
|
this.ops.ftruncate(path, size, fd, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_readlink (signal, path) {
|
|
this.ops.readlink(path, (err, linkname) => {
|
|
return signal(err, linkname)
|
|
})
|
|
}
|
|
|
|
_op_chown (signal, path, uid, gid) {
|
|
this.ops.chown(path, uid, gid, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_chmod (signal, path, mode) {
|
|
this.ops.chmod(path, mode, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_mknod (signal, path, mode, dev) {
|
|
this.ops.mknod(path, mode, dev, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_unlink (signal, path) {
|
|
this.ops.unlink(path, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_rename (signal, src, dest) {
|
|
this.ops.rename(src, dest, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_link (signal, src, dest) {
|
|
this.ops.link(src, dest, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_symlink (signal, src, dest) {
|
|
this.ops.symlink(src, dest, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_mkdir (signal, path, mode) {
|
|
this.ops.mkdir(path, mode, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_rmdir (signal, path) {
|
|
this.ops.rmdir(path, err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
_op_destroy (signal) {
|
|
this.ops.destroy(err => {
|
|
return signal(err)
|
|
})
|
|
}
|
|
|
|
// Public API
|
|
|
|
mount (cb) {
|
|
return this._open(cb)
|
|
}
|
|
|
|
unmount (cb) {
|
|
return this._close(cb)
|
|
}
|
|
|
|
errno (code) {
|
|
return (code && Fuse[code.toUpperCase()]) || -1
|
|
}
|
|
}
|
|
|
|
Fuse.EPERM = -1
|
|
Fuse.ENOENT = -2
|
|
Fuse.ESRCH = -3
|
|
Fuse.EINTR = -4
|
|
Fuse.EIO = -5
|
|
Fuse.ENXIO = -6
|
|
Fuse.E2BIG = -7
|
|
Fuse.ENOEXEC = -8
|
|
Fuse.EBADF = -9
|
|
Fuse.ECHILD = -10
|
|
Fuse.EAGAIN = -11
|
|
Fuse.ENOMEM = -12
|
|
Fuse.EACCES = -13
|
|
Fuse.EFAULT = -14
|
|
Fuse.ENOTBLK = -15
|
|
Fuse.EBUSY = -16
|
|
Fuse.EEXIST = -17
|
|
Fuse.EXDEV = -18
|
|
Fuse.ENODEV = -19
|
|
Fuse.ENOTDIR = -20
|
|
Fuse.EISDIR = -21
|
|
Fuse.EINVAL = -22
|
|
Fuse.ENFILE = -23
|
|
Fuse.EMFILE = -24
|
|
Fuse.ENOTTY = -25
|
|
Fuse.ETXTBSY = -26
|
|
Fuse.EFBIG = -27
|
|
Fuse.ENOSPC = -28
|
|
Fuse.ESPIPE = -29
|
|
Fuse.EROFS = -30
|
|
Fuse.EMLINK = -31
|
|
Fuse.EPIPE = -32
|
|
Fuse.EDOM = -33
|
|
Fuse.ERANGE = -34
|
|
Fuse.EDEADLK = -35
|
|
Fuse.ENAMETOOLONG = -36
|
|
Fuse.ENOLCK = -37
|
|
Fuse.ENOSYS = -38
|
|
Fuse.ENOTEMPTY = -39
|
|
Fuse.ELOOP = -40
|
|
Fuse.EWOULDBLOCK = -11
|
|
Fuse.ENOMSG = -42
|
|
Fuse.EIDRM = -43
|
|
Fuse.ECHRNG = -44
|
|
Fuse.EL2NSYNC = -45
|
|
Fuse.EL3HLT = -46
|
|
Fuse.EL3RST = -47
|
|
Fuse.ELNRNG = -48
|
|
Fuse.EUNATCH = -49
|
|
Fuse.ENOCSI = -50
|
|
Fuse.EL2HLT = -51
|
|
Fuse.EBADE = -52
|
|
Fuse.EBADR = -53
|
|
Fuse.EXFULL = -54
|
|
Fuse.ENOANO = -55
|
|
Fuse.EBADRQC = -56
|
|
Fuse.EBADSLT = -57
|
|
Fuse.EDEADLOCK = -35
|
|
Fuse.EBFONT = -59
|
|
Fuse.ENOSTR = -60
|
|
Fuse.ENODATA = -61
|
|
Fuse.ETIME = -62
|
|
Fuse.ENOSR = -63
|
|
Fuse.ENONET = -64
|
|
Fuse.ENOPKG = -65
|
|
Fuse.EREMOTE = -66
|
|
Fuse.ENOLINK = -67
|
|
Fuse.EADV = -68
|
|
Fuse.ESRMNT = -69
|
|
Fuse.ECOMM = -70
|
|
Fuse.EPROTO = -71
|
|
Fuse.EMULTIHOP = -72
|
|
Fuse.EDOTDOT = -73
|
|
Fuse.EBADMSG = -74
|
|
Fuse.EOVERFLOW = -75
|
|
Fuse.ENOTUNIQ = -76
|
|
Fuse.EBADFD = -77
|
|
Fuse.EREMCHG = -78
|
|
Fuse.ELIBACC = -79
|
|
Fuse.ELIBBAD = -80
|
|
Fuse.ELIBSCN = -81
|
|
Fuse.ELIBMAX = -82
|
|
Fuse.ELIBEXEC = -83
|
|
Fuse.EILSEQ = -84
|
|
Fuse.ERESTART = -85
|
|
Fuse.ESTRPIPE = -86
|
|
Fuse.EUSERS = -87
|
|
Fuse.ENOTSOCK = -88
|
|
Fuse.EDESTADDRREQ = -89
|
|
Fuse.EMSGSIZE = -90
|
|
Fuse.EPROTOTYPE = -91
|
|
Fuse.ENOPROTOOPT = -92
|
|
Fuse.EPROTONOSUPPORT = -93
|
|
Fuse.ESOCKTNOSUPPORT = -94
|
|
Fuse.EOPNOTSUPP = -95
|
|
Fuse.EPFNOSUPPORT = -96
|
|
Fuse.EAFNOSUPPORT = -97
|
|
Fuse.EADDRINUSE = -98
|
|
Fuse.EADDRNOTAVAIL = -99
|
|
Fuse.ENETDOWN = -100
|
|
Fuse.ENETUNREACH = -101
|
|
Fuse.ENETRESET = -102
|
|
Fuse.ECONNABORTED = -103
|
|
Fuse.ECONNRESET = -104
|
|
Fuse.ENOBUFS = -105
|
|
Fuse.EISCONN = -106
|
|
Fuse.ENOTCONN = -107
|
|
Fuse.ESHUTDOWN = -108
|
|
Fuse.ETOOMANYREFS = -109
|
|
Fuse.ETIMEDOUT = -110
|
|
Fuse.ECONNREFUSED = -111
|
|
Fuse.EHOSTDOWN = -112
|
|
Fuse.EHOSTUNREACH = -113
|
|
Fuse.EALREADY = -114
|
|
Fuse.EINPROGRESS = -115
|
|
Fuse.ESTALE = -116
|
|
Fuse.EUCLEAN = -117
|
|
Fuse.ENOTNAM = -118
|
|
Fuse.ENAVAIL = -119
|
|
Fuse.EISNAM = -120
|
|
Fuse.EREMOTEIO = -121
|
|
Fuse.EDQUOT = -122
|
|
Fuse.ENOMEDIUM = -123
|
|
Fuse.EMEDIUMTYPE = -124
|
|
|
|
// Forward configuration functions through the exported class.
|
|
Fuse.beforeMount = beforeMount
|
|
Fuse.beforeUnmount = beforeUnmount
|
|
Fuse.configure = configure
|
|
Fuse.unconfigure = unconfigure
|
|
Fuse.isConfigured = isConfigured
|
|
|
|
module.exports = Fuse
|
|
|
|
function getStatfsArray (statfs) {
|
|
const ints = new Uint32Array(11)
|
|
|
|
ints[0] = (statfs && statfs.bsize) || 0
|
|
ints[1] = (statfs && statfs.frsize) || 0
|
|
ints[2] = (statfs && statfs.blocks) || 0
|
|
ints[3] = (statfs && statfs.bfree) || 0
|
|
ints[4] = (statfs && statfs.bavail) || 0
|
|
ints[5] = (statfs && statfs.files) || 0
|
|
ints[6] = (statfs && statfs.ffree) || 0
|
|
ints[7] = (statfs && statfs.favail) || 0
|
|
ints[8] = (statfs && statfs.fsid) || 0
|
|
ints[9] = (statfs && statfs.flag) || 0
|
|
ints[10] = (statfs && statfs.namemax) || 0
|
|
|
|
return ints
|
|
}
|
|
|
|
function setDoubleInt (arr, idx, num) {
|
|
arr[idx] = num % 4294967296
|
|
arr[idx + 1] = (num - arr[idx]) / 4294967296
|
|
}
|
|
|
|
function getDoubleInt (arr, idx) {
|
|
arr = new Uint32Array(arr)
|
|
var num = arr[idx + 1] * 4294967296
|
|
num += arr[idx]
|
|
return num
|
|
}
|
|
|
|
function getStatArray (stat) {
|
|
const ints = new Uint32Array(16)
|
|
|
|
ints[0] = (stat && stat.mode) || 0
|
|
ints[1] = (stat && stat.uid) || 0
|
|
ints[2] = (stat && stat.gid) || 0
|
|
ints[3] = (stat && stat.size) || 0
|
|
ints[4] = (stat && stat.dev) || 0
|
|
ints[5] = (stat && stat.nlink) || 1
|
|
ints[6] = (stat && stat.ino) || 0
|
|
ints[7] = (stat && stat.rdev) || 0
|
|
ints[8] = (stat && stat.blksize) || 0
|
|
ints[9] = (stat && stat.blocks) || 0
|
|
setDoubleInt(ints, 10, (stat && stat.atim) || Date.now())
|
|
setDoubleInt(ints, 12, (stat && stat.atim) || Date.now())
|
|
setDoubleInt(ints, 14, (stat && stat.atim) || Date.now())
|
|
|
|
return ints
|
|
}
|